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How to do what head, tail, more, less, sed do in Powershell? [closed]
... Powershell, what are the equivalent commands to linux's head , tail , more , less and sed ?
7 Answers
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How to disable right-click context-menu in JavaScript [duplicate]
Not that I'm trying to prevent 'View Source' or anything silly like that, but I'm making some custom context menus for certain elements.
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How do I daemonize an arbitrary script in unix?
I'd like a daemonizer that can turn an arbitrary, generic script or command into a daemon .
12 Answers
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Running PostgreSQL in memory only
I want to run a small PostgreSQL database which runs in memory only, for each unit test I write. For instance:
8 Answers
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C++: What is the size of an object of an empty class?
... @nurabha The this pointer points to the object. It's not stored in the object. If, however, there are virtual functions, the object contains a pointer to the vtable.
– tbleher
Sep 19 '13 at 17:03
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Coding Practices which enable the compiler/optimizer to make a faster program
Many years ago, C compilers were not particularly smart. As a workaround K&R invented the register keyword, to hint to the compiler, that maybe it would be a good idea to keep this variable in an internal register. They also made the tertiary operator to help generate better code.
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Any open source alternatives to balsamiq mockup [closed]
As the title reads, I'm looking for open source alternatives to balsamiq mockup for prototyping. Anyone knows of an equally good alternative that's open source or basically freeware.
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Regular expression to match URLs in Java
I use RegexBuddy while working with regular expressions. From its library I copied the regular expression to match URLs. I tested successfully within RegexBuddy. However, when I copied it as Java String flavor and pasted it into Java code, it does not work. The following class prints false :
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Two-dimensional array in Swift
...ut 2D arrays in Swift. Let me describe step by step. And would you please correct me if I am wrong.
8 Answers
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Add a CSS border on hover without moving the element [duplicate]
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You can make the border transparent. In this way it exists, but is invisible, so it doesn't push anything around:
.jobs .item {
background: #eee;
border-top: 1px solid transparent;
}
.jobs .item:hover {
background: #e1e1e1;
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